One ui 4.1 update on s21 ultra causes home button and back button to not work

[MrEllison]

Well I recently updated to one ui 4.1 and I cannot use the home or back button. It was working perfectly fine before the update. 

[userqYOryd9uBE]

Mine just started randomly hiding themselves... I unhide them, and they work fine. I did have to restart the first time though. I AM having all kinds of other issues after the update though.

[MsBBros]

i have the same problem -- HOME not working at all and BACK working sporadically Samsung chat support couldn't help me.  taking it to their authorized tech store tomorrow morning.

[MrEllison]

Same they suggested a factory reset to resolve the issue and I lose everything and can't do that right now

[krayzie15]

U might not like gestures but if it works u have all three of those buttons back . And it should just work

[MrEllison]

Gesture control is the same and locks up the second I gesture the home button

[DazedLogic]

So what seems to have 'fixed' this: I went into Settings-->Apps-->Choose Default Apps and set the home app to Nova7 (or OneUI, whatever you use). I thought it was strange that Mobile Services Manager was showing, so I wanted to disable it, but was unable to. What I did do was go to Settings-->Apps-->Mobile Services Manager and hit Force Stop, and then went into Storage and Clear Data. I then went back to Settings-->Apps-->Mobile Services Manager and removed the permission to access the Phone.

[Members_pJH1zHq]

Didn't work for me. One UI Home was already selected, and changing the selection didn't even work properly, much less fix the issue. Glad it worked for you though.

[userbfEhNm1Ypz]

Yeah I tried to change the option and it just sat there and never changed. This update made my phone almost unusable. 

[userjJfFbSOQ2m]

Thank you so much! This worked for my wife's phone! The only thing I did different was I turned the phone permissions back on to the mobile services manager. But the home and back buttons are working fine now!